Search a number
-
+
42569871747 = 31323154330757
BaseRepresentation
bin100111101001010111…
…001011000110000011
311001212202201112210120
4213221113023012003
51144140341343442
631320100031323
73034630640154
oct475127130603
9131782645716
1042569871747
1117065645797
128300692543
134025607030
1420bba0992b
1511924154ec
hex9e95cb183

42569871747 has 32 divisors (see below), whose sum is σ = 63827033088. Its totient is φ = 25040797056.

The previous prime is 42569871727. The next prime is 42569871769. The reversal of 42569871747 is 74717896524.

42569871747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42569871747 - 210 = 42569870723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42569871727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1368693 + ... + 1399449.

It is an arithmetic number, because the mean of its divisors is an integer number (1994594784).

Almost surely, 242569871747 is an apocalyptic number.

42569871747 is a deficient number, since it is larger than the sum of its proper divisors (21257161341).

42569871747 is a wasteful number, since it uses less digits than its factorization.

42569871747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32339.

The product of its digits is 23708160, while the sum is 60.

The spelling of 42569871747 in words is "forty-two billion, five hundred sixty-nine million, eight hundred seventy-one thousand, seven hundred forty-seven".

Divisors: 1 3 13 23 39 69 299 897 1543 4629 20059 30757 35489 60177 92271 106467 399841 461357 707411 1199523 1384071 2122233 9196343 27589029 47458051 142374153 616954663 1091535173 1850863989 3274605519 14189957249 42569871747